NBL 20 - Unnamed NBL 20

Passport Data
Country of origin: Country of origin: Papua New Guinea
PDCIm Score: 4.17
Available for distribution:
Accession number: NBL 20
Accession name: Unnamed NBL 20
Taxonomic classification:
Institute code: PNG004 (NARI)
Acquisition date: 1970-08-18
Status: active
Type of storage:
Field Collection
Morphological Characterization
Not available
Morphological Characterization Data

6.1 - Plant general appearance

6.1.1 - Leaf habit Drooping
6.1.2 - Dwarfism Normal : leaves not overlapped and leaf ratio superior to 2.5

6.2 - Pseudostem / Suckers

6.2.1 - Pseudostem height [m] >=3
6.2.2 - Pseudostem aspect Robust
6.2.3 - Pseudostem colour Green
6.2.4 - Pseudostem appearance Dull (waxy)
6.2.6 - Pigmentation of the underlying pseudostem Red
6.2.7b - Sap dripping on the cutting the leaf's petiole Drips on cutting the leaves
6.2.7 - Sap colour Watery
6.2.8 - Wax on leaf sheaths Moderately waxy
6.2.9 - Number of suckers 3 to 5
6.2.10 - Development of suckers Between 1/4 and 3/4 of the height of the parent plant
6.2.11 - Position of suckers Close to parent (growing at an angle)

6.3 - Petiole / Midrib / Leaf

6.3.1 - Blotches at the petiole base Small blotches
6.3.2 - Blotches colour Brown
6.3.3 - Petiole canal leaf III Margins curved inward
6.3.4 - Petiole margins Not winged and clasping the pseudostem
6.3.5 - Wing type Not dry
6.3.6 - Petiole margin colour Green
6.3.7 - Edge of petiole margin Colourless
6.3.8 - Petiole margin width [cm] <=1 cm
6.3.9 - Leaf blade length [cm] <=170 cm
6.3.10 - Leaf blade width [cm] <=70 cm
6.3.11 - Petiole length [cm] 51 to 70 cm
6.3.12 - Colour of leaf upper surface Green
6.3.13 - Appearance of leaf upper surface Dull
6.3.14 - Colour of leaf lower surface Green
6.3.15 - Appearance of leaf lower surface Dull
6.3.16 - Wax on leaves Very waxy
6.3.17 - Insertion point of leaf blades on petiole Asymmetric
6.3.18 - Shape of leaf blade base Both sides pointed
6.3.19 - Leaf corrugation Very corrugated
6.3.20 - Colour of midrib dorsal surface Green
6.3.21 - Colour of midrib ventral surface Green
6.3.22 - Colour of cigar leaf dorsal surface Green
6.3.23 - Blotches on leaves of water suckers Without blotches

6.4 - Inflorescence / male bud

6.4.1 - Peduncle length [cm] >=61 cm
6.4.2 - Empty nodes on peduncle Two or more
6.4.3 - Peduncle width [cm] 7-12 cm
6.4.4 - Peduncle colour Light green
6.4.5 - Peduncle hairiness Hairless
6.4.6 - Bunch position Hanging vertically
6.4.7 - Bunch shape Asymmetric - Bunch axis is nearly straight
6.4.8 - Bunch appearance Lax (one can easily place one's hand BETWEEN the hands OF fruit)
6.4.10 - Fruits Biseriate
6.4.11 - Rachis type Present and male bud may be degenerated or persistent
6.4.12 - Rachis position Falling vertically
6.4.13 - Rachis appearance Bare
6.4.14 - Male bud type Normal (present)
6.4.15 - Male bud shape Intermediate
6.4.16 - Male bud size [cm] >=31 cm

6.5 - Bract

6.5.1 - Bract base shape Large shoulder
6.5.2 - Bract apex shape Slightly pointed
6.5.3 - Bract imbrication Young bracts greatly overlap (like Musa acuminata subsp. burmannica)
6.5.4 - Colour of the bract external face Purple-brown
6.5.5 - Colour of the bract internal face Red
6.5.6 - Colour on the bract apex Tinted with yellow (discoloured)
6.5.7 - Colour stripes on bract Without discoloured lines on the external face
6.5.8 - Bract scars rachis Not prominent
6.5.9 - Fading of colour on bract base Colour homogenous (pigmentation is uniform and continues until the base)
6.5.10 - Male bract shape x/y > 0.30 (ovate)
6.5.11 - Male bract lifting Lifting two or more at a time
6.5.12 - Bract behaviour before falling Revolute (rolling)
6.5.13 - Wax on the bract Very waxy
6.5.14 - Presence of grooves on the bract Moderate grooving (parallel ridges are distinguishable)

6.6 - Male flower

6.6.1 - Male flower behaviour Falling before the bract
6.6.2 - Compound tepal basic colour Yellow
6.6.3 - Compound tepal pigmentation Presence of pink
6.6.4 - Lobe colour of compound tepal Orange
6.6.5 - Lobe development of compound tepal Very developed
6.6.6 - Free tepal colour Tinted with pink
6.6.7 - Free tepal shape Rounded
6.6.8 - Free tepal appearance Simple folding under apex
6.6.9 - Free tepal apex development Very developed
6.6.10 - Free tepal apex shape Triangular
6.6.11 - Anther exsertion Inserted
6.6.12 - Filament colour Inapplicable
6.6.13 - Anther colour Yellow
6.6.14 - Pollen sac colour Yellow
6.6.15 - Pollen vitality [%] Little
6.6.16 - Style basic colour White
6.6.17 - Pigmentation on style Purple
6.6.18 - Style exsertion Same level
6.6.19 - Style shape Curved under stigma
6.6.20 - Stigma colour Cream
6.6.21 - Ovary shape Arched
6.6.22 - Ovary basic colour White
6.6.23 - Ovary pigmentation With red-purple
6.6.24 - Dominant colour of male flower Pink/pink-purple
6.6.25 - Irregular flowers Absent
6.6.26 - Arrangement of ovules Four-rowed (more or less)

6.7 - Fruit

6.7.1 - Fruit position Curved upward (obliquely, at a 45° angle upward)
6.7.2 - Number of fruits <=12
6.7.3 - Fruit length [cm] <=15 cm
6.7.4 - Fruit shape Straight in the distal part
6.7.5 - Transverse section of fruit Pronounced ridges
6.7.6 - Fruit apex Bottle-necked
6.7.7 - Remains of flower relicts at fruit apex Base of style prominent
6.7.8 - Fruit pedicel length [mm] 11 to 20 mm
6.7.9 - Fruit pedicel width [mm] 5 to 10 mm
6.7.10 - Pedicel surface Hairless
6.7.11 - Fusion of pedicels Inapplicable
6.7.12 - Immature fruit peel colour Green
6.7.13 - Mature fruit peel colour Yellow
6.7.14 - Fruit peel thickness [mm] Three or more
6.7.15 - Adherence of the fruit peel Fruit does not peal easily
6.7.16 - Cracks in fruit peel Without cracks
6.7.17 - Pulp in fruit Without pulp
6.7.18 - Pulpe colour before maturity White
6.7.19 - Pulp colour at maturity White
6.7.20 - Fruits fall from hands Persistent
6.7.21 - Flesh texture Firm
6.7.22 - Predominant taste Astringent (like cooking banana)
6.7.23 - Presence of seed with source of pollen Inapplicable
Phenotyping
Not available
Collecting/acquisition source
Not available
Collecting Location
Not available
Molecular Characterisation
Not available
Publications
Not available